21238359816

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{54367}}^1$

素因数の和:54814

約数の個数: 64

約数和(自身を含む): 54528929280

約数和(自身を除く): 33290569464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 397, 492, 794, 984, 1191, 1588, 2382, 3176, 4764, 9528, 16277, 32554, 48831, 54367, 65108, 97662, 108734, 130216, 163101, 195324, 217468, 326202, 390648, 434936, 652404, 1304808, 2229047, 4458094, 6687141, 8916188, 13374282, 17832376, 21583699, 26748564, 43167398, 53497128, 64751097, 86334796, 129502194, 172669592, 259004388, 518008776, 884931659, 1769863318, 2654794977, 3539726636, 5309589954, 7079453272, 10619179908, 21238359816]

約数ペア:

[(1, 21238359816), (2, 10619179908), (3, 7079453272), (4, 5309589954), (6, 3539726636), (8, 2654794977), (12, 1769863318), (24, 884931659), (41, 518008776), (82, 259004388), (123, 172669592), (164, 129502194), (246, 86334796), (328, 64751097), (397, 53497128), (492, 43167398), (794, 26748564), (984, 21583699), (1191, 17832376), (1588, 13374282), (2382, 8916188), (3176, 6687141), (4764, 4458094), (9528, 2229047), (16277, 1304808), (32554, 652404), (48831, 434936), (54367, 390648), (65108, 326202), (97662, 217468), (108734, 195324), (130216, 163101)]