21980484

素因数分解:

$2^2\times 3^4\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:574

約数の個数: 60

約数和(自身を含む): 57934800

約数和(自身を除く): 35954316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 179, 324, 358, 379, 537, 716, 758, 1074, 1137, 1516, 1611, 2148, 2274, 3222, 3411, 4548, 4833, 6444, 6822, 9666, 10233, 13644, 14499, 19332, 20466, 28998, 30699, 40932, 57996, 61398, 67841, 122796, 135682, 203523, 271364, 407046, 610569, 814092, 1221138, 1831707, 2442276, 3663414, 5495121, 7326828, 10990242, 21980484]

約数ペア:

[(1, 21980484), (2, 10990242), (3, 7326828), (4, 5495121), (6, 3663414), (9, 2442276), (12, 1831707), (18, 1221138), (27, 814092), (36, 610569), (54, 407046), (81, 271364), (108, 203523), (162, 135682), (179, 122796), (324, 67841), (358, 61398), (379, 57996), (537, 40932), (716, 30699), (758, 28998), (1074, 20466), (1137, 19332), (1516, 14499), (1611, 13644), (2148, 10233), (2274, 9666), (3222, 6822), (3411, 6444), (4548, 4833)]