21113730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7109}}^1$

素因数の和:7136

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 40316670

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 7109, 14218, 21327, 35545, 42654, 63981, 71090, 78199, 106635, 127962, 156398, 191943, 213270, 234597, 319905, 383886, 390995, 469194, 639810, 703791, 781990, 959715, 1172985, 1407582, 1919430, 2111373, 2345970, 3518955, 4222746, 7037910, 10556865, 21113730]

約数ペア:

[(1, 21113730), (2, 10556865), (3, 7037910), (5, 4222746), (6, 3518955), (9, 2345970), (10, 2111373), (11, 1919430), (15, 1407582), (18, 1172985), (22, 959715), (27, 781990), (30, 703791), (33, 639810), (45, 469194), (54, 390995), (55, 383886), (66, 319905), (90, 234597), (99, 213270), (110, 191943), (135, 156398), (165, 127962), (198, 106635), (270, 78199), (297, 71090), (330, 63981), (495, 42654), (594, 35545), (990, 21327), (1485, 14218), (2970, 7109)]