21510060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 74511360

約数和(自身を除く): 53001300

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 23, 26, 30, 33, 39, 44, 46, 52, 55, 60, 65, 66, 69, 78, 92, 109, 110, 115, 130, 132, 138, 143, 156, 165, 195, 218, 220, 230, 253, 260, 276, 286, 299, 327, 330, 345, 390, 429, 436, 460, 506, 545, 572, 598, 654, 660, 690, 715, 759, 780, 858, 897, 1012, 1090, 1196, 1199, 1265, 1308, 1380, 1417, 1430, 1495, 1518, 1635, 1716, 1794, 2145, 2180, 2398, 2507, 2530, 2834, 2860, 2990, 3036, 3270, 3289, 3588, 3597, 3795, 4251, 4290, 4485, 4796, 5014, 5060, 5668, 5980, 5995, 6540, 6578, 7085, 7194, 7521, 7590, 8502, 8580, 8970, 9867, 10028, 11990, 12535, 13156, 14170, 14388, 15042, 15180, 15587, 16445, 17004, 17940, 17985, 19734, 21255, 23980, 25070, 27577, 28340, 30084, 31174, 32591, 32890, 35970, 37605, 39468, 42510, 46761, 49335, 50140, 55154, 62348, 65182, 65780, 71940, 75210, 77935, 82731, 85020, 93522, 97773, 98670, 110308, 130364, 137885, 150420, 155870, 162955, 165462, 187044, 195546, 197340, 233805, 275770, 311740, 325910, 330924, 358501, 391092, 413655, 467610, 488865, 551540, 651820, 717002, 827310, 935220, 977730, 1075503, 1434004, 1654620, 1792505, 1955460, 2151006, 3585010, 4302012, 5377515, 7170020, 10755030, 21510060]

約数ペア:

[(1, 21510060), (2, 10755030), (3, 7170020), (4, 5377515), (5, 4302012), (6, 3585010), (10, 2151006), (11, 1955460), (12, 1792505), (13, 1654620), (15, 1434004), (20, 1075503), (22, 977730), (23, 935220), (26, 827310), (30, 717002), (33, 651820), (39, 551540), (44, 488865), (46, 467610), (52, 413655), (55, 391092), (60, 358501), (65, 330924), (66, 325910), (69, 311740), (78, 275770), (92, 233805), (109, 197340), (110, 195546), (115, 187044), (130, 165462), (132, 162955), (138, 155870), (143, 150420), (156, 137885), (165, 130364), (195, 110308), (218, 98670), (220, 97773), (230, 93522), (253, 85020), (260, 82731), (276, 77935), (286, 75210), (299, 71940), (327, 65780), (330, 65182), (345, 62348), (390, 55154), (429, 50140), (436, 49335), (460, 46761), (506, 42510), (545, 39468), (572, 37605), (598, 35970), (654, 32890), (660, 32591), (690, 31174), (715, 30084), (759, 28340), (780, 27577), (858, 25070), (897, 23980), (1012, 21255), (1090, 19734), (1196, 17985), (1199, 17940), (1265, 17004), (1308, 16445), (1380, 15587), (1417, 15180), (1430, 15042), (1495, 14388), (1518, 14170), (1635, 13156), (1716, 12535), (1794, 11990), (2145, 10028), (2180, 9867), (2398, 8970), (2507, 8580), (2530, 8502), (2834, 7590), (2860, 7521), (2990, 7194), (3036, 7085), (3270, 6578), (3289, 6540), (3588, 5995), (3597, 5980), (3795, 5668), (4251, 5060), (4290, 5014), (4485, 4796)]