21711690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:285

約数の個数: 192

約数和(自身を含む): 76108032

約数和(自身を除く): 54396342

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 18, 21, 22, 26, 30, 33, 35, 39, 42, 45, 55, 63, 65, 66, 70, 77, 78, 90, 91, 99, 105, 110, 117, 126, 130, 143, 154, 165, 182, 195, 198, 210, 231, 234, 241, 273, 286, 315, 330, 385, 390, 429, 455, 462, 482, 495, 546, 585, 630, 693, 715, 723, 770, 819, 858, 910, 990, 1001, 1155, 1170, 1205, 1287, 1365, 1386, 1430, 1446, 1638, 1687, 2002, 2145, 2169, 2310, 2410, 2574, 2651, 2730, 3003, 3133, 3374, 3465, 3615, 4095, 4290, 4338, 5005, 5061, 5302, 6006, 6266, 6435, 6930, 7230, 7953, 8190, 8435, 9009, 9399, 10010, 10122, 10845, 12870, 13255, 15015, 15183, 15665, 15906, 16870, 18018, 18557, 18798, 21690, 21931, 23859, 25305, 26510, 28197, 30030, 30366, 31330, 34463, 37114, 39765, 43862, 45045, 46995, 47718, 50610, 55671, 56394, 65793, 68926, 75915, 79530, 90090, 92785, 93990, 103389, 109655, 111342, 119295, 131586, 140985, 151830, 167013, 172315, 185570, 197379, 206778, 219310, 238590, 241241, 278355, 281970, 310167, 328965, 334026, 344630, 394758, 482482, 516945, 556710, 620334, 657930, 723723, 835065, 986895, 1033890, 1206205, 1447446, 1550835, 1670130, 1973790, 2171169, 2412410, 3101670, 3618615, 4342338, 7237230, 10855845, 21711690]

約数ペア:

[(1, 21711690), (2, 10855845), (3, 7237230), (5, 4342338), (6, 3618615), (7, 3101670), (9, 2412410), (10, 2171169), (11, 1973790), (13, 1670130), (14, 1550835), (15, 1447446), (18, 1206205), (21, 1033890), (22, 986895), (26, 835065), (30, 723723), (33, 657930), (35, 620334), (39, 556710), (42, 516945), (45, 482482), (55, 394758), (63, 344630), (65, 334026), (66, 328965), (70, 310167), (77, 281970), (78, 278355), (90, 241241), (91, 238590), (99, 219310), (105, 206778), (110, 197379), (117, 185570), (126, 172315), (130, 167013), (143, 151830), (154, 140985), (165, 131586), (182, 119295), (195, 111342), (198, 109655), (210, 103389), (231, 93990), (234, 92785), (241, 90090), (273, 79530), (286, 75915), (315, 68926), (330, 65793), (385, 56394), (390, 55671), (429, 50610), (455, 47718), (462, 46995), (482, 45045), (495, 43862), (546, 39765), (585, 37114), (630, 34463), (693, 31330), (715, 30366), (723, 30030), (770, 28197), (819, 26510), (858, 25305), (910, 23859), (990, 21931), (1001, 21690), (1155, 18798), (1170, 18557), (1205, 18018), (1287, 16870), (1365, 15906), (1386, 15665), (1430, 15183), (1446, 15015), (1638, 13255), (1687, 12870), (2002, 10845), (2145, 10122), (2169, 10010), (2310, 9399), (2410, 9009), (2574, 8435), (2651, 8190), (2730, 7953), (3003, 7230), (3133, 6930), (3374, 6435), (3465, 6266), (3615, 6006), (4095, 5302), (4290, 5061), (4338, 5005)]