21669720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2029}}^1$

素因数の和:2132

約数の個数: 64

約数和(自身を含む): 65772000

約数和(自身を除く): 44102280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2029, 2136, 2670, 3560, 4058, 5340, 6087, 8116, 10145, 10680, 12174, 16232, 20290, 24348, 30435, 40580, 48696, 60870, 81160, 121740, 180581, 243480, 361162, 541743, 722324, 902905, 1083486, 1444648, 1805810, 2166972, 2708715, 3611620, 4333944, 5417430, 7223240, 10834860, 21669720]

約数ペア:

[(1, 21669720), (2, 10834860), (3, 7223240), (4, 5417430), (5, 4333944), (6, 3611620), (8, 2708715), (10, 2166972), (12, 1805810), (15, 1444648), (20, 1083486), (24, 902905), (30, 722324), (40, 541743), (60, 361162), (89, 243480), (120, 180581), (178, 121740), (267, 81160), (356, 60870), (445, 48696), (534, 40580), (712, 30435), (890, 24348), (1068, 20290), (1335, 16232), (1780, 12174), (2029, 10680), (2136, 10145), (2670, 8116), (3560, 6087), (4058, 5340)]