21134514830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{19421}}^1$

素因数の和:20213

約数の個数: 64

約数和(自身を含む): 44753881536

約数和(自身を除く): 23619366706

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 761, 1430, 1522, 3805, 7610, 8371, 9893, 16742, 19421, 19786, 38842, 41855, 49465, 83710, 97105, 98930, 108823, 194210, 213631, 217646, 252473, 427262, 504946, 544115, 1068155, 1088230, 1262365, 2136310, 2524730, 2777203, 5554406, 13886015, 14779381, 27772030, 29558762, 73896905, 147793810, 162573191, 192131953, 325146382, 384263906, 812865955, 960659765, 1625731910, 1921319530, 2113451483, 4226902966, 10567257415, 21134514830]

約数ペア:

[(1, 21134514830), (2, 10567257415), (5, 4226902966), (10, 2113451483), (11, 1921319530), (13, 1625731910), (22, 960659765), (26, 812865955), (55, 384263906), (65, 325146382), (110, 192131953), (130, 162573191), (143, 147793810), (286, 73896905), (715, 29558762), (761, 27772030), (1430, 14779381), (1522, 13886015), (3805, 5554406), (7610, 2777203), (8371, 2524730), (9893, 2136310), (16742, 1262365), (19421, 1088230), (19786, 1068155), (38842, 544115), (41855, 504946), (49465, 427262), (83710, 252473), (97105, 217646), (98930, 213631), (108823, 194210)]