21365370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2029}}^1$

素因数の和:2061

約数の個数: 80

約数和(自身を含む): 61898760

約数和(自身を除く): 40533390

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2029, 2106, 3510, 4058, 5265, 6087, 10145, 10530, 12174, 18261, 20290, 26377, 30435, 36522, 52754, 54783, 60870, 79131, 91305, 109566, 131885, 158262, 164349, 182610, 237393, 263770, 273915, 328698, 395655, 474786, 547830, 712179, 791310, 821745, 1186965, 1424358, 1643490, 2136537, 2373930, 3560895, 4273074, 7121790, 10682685, 21365370]

約数ペア:

[(1, 21365370), (2, 10682685), (3, 7121790), (5, 4273074), (6, 3560895), (9, 2373930), (10, 2136537), (13, 1643490), (15, 1424358), (18, 1186965), (26, 821745), (27, 791310), (30, 712179), (39, 547830), (45, 474786), (54, 395655), (65, 328698), (78, 273915), (81, 263770), (90, 237393), (117, 182610), (130, 164349), (135, 158262), (162, 131885), (195, 109566), (234, 91305), (270, 79131), (351, 60870), (390, 54783), (405, 52754), (585, 36522), (702, 30435), (810, 26377), (1053, 20290), (1170, 18261), (1755, 12174), (2029, 10530), (2106, 10145), (3510, 6087), (4058, 5265)]