21935160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 192

約数和(自身を含む): 79279200

約数和(自身を除く): 57344040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 52, 60, 65, 72, 78, 86, 90, 104, 109, 117, 120, 129, 130, 156, 172, 180, 195, 215, 218, 234, 258, 260, 312, 327, 344, 360, 387, 390, 430, 436, 468, 516, 520, 545, 559, 585, 645, 654, 774, 780, 860, 872, 936, 981, 1032, 1090, 1118, 1170, 1290, 1308, 1417, 1548, 1560, 1635, 1677, 1720, 1935, 1962, 2180, 2236, 2340, 2580, 2616, 2795, 2834, 3096, 3270, 3354, 3870, 3924, 4251, 4360, 4472, 4680, 4687, 4905, 5031, 5160, 5590, 5668, 6540, 6708, 7085, 7740, 7848, 8385, 8502, 9374, 9810, 10062, 11180, 11336, 12753, 13080, 13416, 14061, 14170, 15480, 16770, 17004, 18748, 19620, 20124, 21255, 22360, 23435, 25155, 25506, 28122, 28340, 33540, 34008, 37496, 39240, 40248, 42183, 42510, 46870, 50310, 51012, 56244, 56680, 60931, 63765, 67080, 70305, 84366, 85020, 93740, 100620, 102024, 112488, 121862, 127530, 140610, 168732, 170040, 182793, 187480, 201240, 210915, 243724, 255060, 281220, 304655, 337464, 365586, 421830, 487448, 510120, 548379, 562440, 609310, 731172, 843660, 913965, 1096758, 1218620, 1462344, 1687320, 1827930, 2193516, 2437240, 2741895, 3655860, 4387032, 5483790, 7311720, 10967580, 21935160]

約数ペア:

[(1, 21935160), (2, 10967580), (3, 7311720), (4, 5483790), (5, 4387032), (6, 3655860), (8, 2741895), (9, 2437240), (10, 2193516), (12, 1827930), (13, 1687320), (15, 1462344), (18, 1218620), (20, 1096758), (24, 913965), (26, 843660), (30, 731172), (36, 609310), (39, 562440), (40, 548379), (43, 510120), (45, 487448), (52, 421830), (60, 365586), (65, 337464), (72, 304655), (78, 281220), (86, 255060), (90, 243724), (104, 210915), (109, 201240), (117, 187480), (120, 182793), (129, 170040), (130, 168732), (156, 140610), (172, 127530), (180, 121862), (195, 112488), (215, 102024), (218, 100620), (234, 93740), (258, 85020), (260, 84366), (312, 70305), (327, 67080), (344, 63765), (360, 60931), (387, 56680), (390, 56244), (430, 51012), (436, 50310), (468, 46870), (516, 42510), (520, 42183), (545, 40248), (559, 39240), (585, 37496), (645, 34008), (654, 33540), (774, 28340), (780, 28122), (860, 25506), (872, 25155), (936, 23435), (981, 22360), (1032, 21255), (1090, 20124), (1118, 19620), (1170, 18748), (1290, 17004), (1308, 16770), (1417, 15480), (1548, 14170), (1560, 14061), (1635, 13416), (1677, 13080), (1720, 12753), (1935, 11336), (1962, 11180), (2180, 10062), (2236, 9810), (2340, 9374), (2580, 8502), (2616, 8385), (2795, 7848), (2834, 7740), (3096, 7085), (3270, 6708), (3354, 6540), (3870, 5668), (3924, 5590), (4251, 5160), (4360, 5031), (4472, 4905), (4680, 4687)]