21419775

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2441}}^1$

素因数の和:2473

約数の個数: 48

約数和(自身を含む): 42393120

約数和(自身を除く): 20973345

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2441, 2925, 7323, 8775, 12205, 21969, 31733, 36615, 61025, 65907, 95199, 109845, 158665, 183075, 285597, 329535, 475995, 549225, 793325, 856791, 1427985, 1647675, 2379975, 4283955, 7139925, 21419775]

約数ペア:

[(1, 21419775), (3, 7139925), (5, 4283955), (9, 2379975), (13, 1647675), (15, 1427985), (25, 856791), (27, 793325), (39, 549225), (45, 475995), (65, 329535), (75, 285597), (117, 183075), (135, 158665), (195, 109845), (225, 95199), (325, 65907), (351, 61025), (585, 36615), (675, 31733), (975, 21969), (1755, 12205), (2441, 8775), (2925, 7323)]