21515670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 61910784

約数和(自身を除く): 40395114

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 103, 110, 165, 198, 206, 211, 309, 330, 422, 495, 515, 618, 633, 927, 990, 1030, 1055, 1133, 1266, 1545, 1854, 1899, 2110, 2266, 2321, 3090, 3165, 3399, 3798, 4635, 4642, 5665, 6330, 6798, 6963, 9270, 9495, 10197, 11330, 11605, 13926, 16995, 18990, 20394, 20889, 21733, 23210, 33990, 34815, 41778, 43466, 50985, 65199, 69630, 101970, 104445, 108665, 130398, 195597, 208890, 217330, 239063, 325995, 391194, 478126, 651990, 717189, 977985, 1195315, 1434378, 1955970, 2151567, 2390630, 3585945, 4303134, 7171890, 10757835, 21515670]

約数ペア:

[(1, 21515670), (2, 10757835), (3, 7171890), (5, 4303134), (6, 3585945), (9, 2390630), (10, 2151567), (11, 1955970), (15, 1434378), (18, 1195315), (22, 977985), (30, 717189), (33, 651990), (45, 478126), (55, 391194), (66, 325995), (90, 239063), (99, 217330), (103, 208890), (110, 195597), (165, 130398), (198, 108665), (206, 104445), (211, 101970), (309, 69630), (330, 65199), (422, 50985), (495, 43466), (515, 41778), (618, 34815), (633, 33990), (927, 23210), (990, 21733), (1030, 20889), (1055, 20394), (1133, 18990), (1266, 16995), (1545, 13926), (1854, 11605), (1899, 11330), (2110, 10197), (2266, 9495), (2321, 9270), (3090, 6963), (3165, 6798), (3399, 6330), (3798, 5665), (4635, 4642)]