21377670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 54867456

約数和(自身を除く): 33489786

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 167, 170, 251, 255, 334, 501, 502, 510, 753, 835, 1002, 1255, 1506, 1670, 2505, 2510, 2839, 3765, 4267, 5010, 5678, 7530, 8517, 8534, 12801, 14195, 17034, 21335, 25602, 28390, 41917, 42585, 42670, 64005, 83834, 85170, 125751, 128010, 209585, 251502, 419170, 628755, 712589, 1257510, 1425178, 2137767, 3562945, 4275534, 7125890, 10688835, 21377670]

約数ペア:

[(1, 21377670), (2, 10688835), (3, 7125890), (5, 4275534), (6, 3562945), (10, 2137767), (15, 1425178), (17, 1257510), (30, 712589), (34, 628755), (51, 419170), (85, 251502), (102, 209585), (167, 128010), (170, 125751), (251, 85170), (255, 83834), (334, 64005), (501, 42670), (502, 42585), (510, 41917), (753, 28390), (835, 25602), (1002, 21335), (1255, 17034), (1506, 14195), (1670, 12801), (2505, 8534), (2510, 8517), (2839, 7530), (3765, 5678), (4267, 5010)]