21345480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4561}}^1$

素因数の和:4591

約数の個数: 96

約数和(自身を含む): 74725560

約数和(自身を除く): 53380080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4561, 4680, 9122, 13683, 18244, 22805, 27366, 36488, 41049, 45610, 54732, 59293, 68415, 82098, 91220, 109464, 118586, 136830, 164196, 177879, 182440, 205245, 237172, 273660, 296465, 328392, 355758, 410490, 474344, 533637, 547320, 592930, 711516, 820980, 889395, 1067274, 1185860, 1423032, 1641960, 1778790, 2134548, 2371720, 2668185, 3557580, 4269096, 5336370, 7115160, 10672740, 21345480]

約数ペア:

[(1, 21345480), (2, 10672740), (3, 7115160), (4, 5336370), (5, 4269096), (6, 3557580), (8, 2668185), (9, 2371720), (10, 2134548), (12, 1778790), (13, 1641960), (15, 1423032), (18, 1185860), (20, 1067274), (24, 889395), (26, 820980), (30, 711516), (36, 592930), (39, 547320), (40, 533637), (45, 474344), (52, 410490), (60, 355758), (65, 328392), (72, 296465), (78, 273660), (90, 237172), (104, 205245), (117, 182440), (120, 177879), (130, 164196), (156, 136830), (180, 118586), (195, 109464), (234, 91220), (260, 82098), (312, 68415), (360, 59293), (390, 54732), (468, 45610), (520, 41049), (585, 36488), (780, 27366), (936, 22805), (1170, 18244), (1560, 13683), (2340, 9122), (4561, 4680)]