21640542024

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{777989}}^1$

素因数の和:778078

約数の個数: 64

約数和(自身を含む): 57882456000

約数和(自身を除く): 36241913976

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 61, 76, 114, 122, 152, 183, 228, 244, 366, 456, 488, 732, 1159, 1464, 2318, 3477, 4636, 6954, 9272, 13908, 27816, 777989, 1555978, 2333967, 3111956, 4667934, 6223912, 9335868, 14781791, 18671736, 29563582, 44345373, 47457329, 59127164, 88690746, 94914658, 118254328, 142371987, 177381492, 189829316, 284743974, 354762984, 379658632, 569487948, 901689251, 1138975896, 1803378502, 2705067753, 3606757004, 5410135506, 7213514008, 10820271012, 21640542024]

約数ペア:

[(1, 21640542024), (2, 10820271012), (3, 7213514008), (4, 5410135506), (6, 3606757004), (8, 2705067753), (12, 1803378502), (19, 1138975896), (24, 901689251), (38, 569487948), (57, 379658632), (61, 354762984), (76, 284743974), (114, 189829316), (122, 177381492), (152, 142371987), (183, 118254328), (228, 94914658), (244, 88690746), (366, 59127164), (456, 47457329), (488, 44345373), (732, 29563582), (1159, 18671736), (1464, 14781791), (2318, 9335868), (3477, 6223912), (4636, 4667934), (6954, 3111956), (9272, 2333967), (13908, 1555978), (27816, 777989)]