21384426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 51367680

約数和(自身を除く): 29983254

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 97, 174, 181, 194, 203, 291, 362, 406, 543, 582, 609, 679, 1086, 1218, 1267, 1358, 2037, 2534, 2813, 3801, 4074, 5249, 5626, 7602, 8439, 10498, 15747, 16878, 17557, 19691, 31494, 35114, 36743, 39382, 52671, 59073, 73486, 105342, 110229, 118146, 122899, 220458, 245798, 368697, 509153, 737394, 1018306, 1527459, 3054918, 3564071, 7128142, 10692213, 21384426]

約数ペア:

[(1, 21384426), (2, 10692213), (3, 7128142), (6, 3564071), (7, 3054918), (14, 1527459), (21, 1018306), (29, 737394), (42, 509153), (58, 368697), (87, 245798), (97, 220458), (174, 122899), (181, 118146), (194, 110229), (203, 105342), (291, 73486), (362, 59073), (406, 52671), (543, 39382), (582, 36743), (609, 35114), (679, 31494), (1086, 19691), (1218, 17557), (1267, 16878), (1358, 15747), (2037, 10498), (2534, 8439), (2813, 7602), (3801, 5626), (4074, 5249)]