21854868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4909}}^1$

素因数の和:4976

約数の個数: 48

約数和(自身を含む): 59391360

約数和(自身を除く): 37536492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4909, 9818, 14727, 19636, 29454, 34363, 58908, 68726, 103089, 137452, 206178, 260177, 412356, 520354, 780531, 1040708, 1561062, 1821239, 3122124, 3642478, 5463717, 7284956, 10927434, 21854868]

約数ペア:

[(1, 21854868), (2, 10927434), (3, 7284956), (4, 5463717), (6, 3642478), (7, 3122124), (12, 1821239), (14, 1561062), (21, 1040708), (28, 780531), (42, 520354), (53, 412356), (84, 260177), (106, 206178), (159, 137452), (212, 103089), (318, 68726), (371, 58908), (636, 34363), (742, 29454), (1113, 19636), (1484, 14727), (2226, 9818), (4452, 4909)]