21985236

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2237}}^1$

素因数の和:2270

約数の個数: 96

約数和(自身を含む): 70183680

約数和(自身を除く): 48198444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2237, 2457, 3276, 4474, 4914, 6711, 8948, 9828, 13422, 15659, 20133, 26844, 29081, 31318, 40266, 46977, 58162, 60399, 62636, 80532, 87243, 93954, 116324, 120798, 140931, 174486, 187908, 203567, 241596, 261729, 281862, 348972, 407134, 422793, 523458, 563724, 610701, 785187, 814268, 845586, 1046916, 1221402, 1570374, 1691172, 1832103, 2442804, 3140748, 3664206, 5496309, 7328412, 10992618, 21985236]

約数ペア:

[(1, 21985236), (2, 10992618), (3, 7328412), (4, 5496309), (6, 3664206), (7, 3140748), (9, 2442804), (12, 1832103), (13, 1691172), (14, 1570374), (18, 1221402), (21, 1046916), (26, 845586), (27, 814268), (28, 785187), (36, 610701), (39, 563724), (42, 523458), (52, 422793), (54, 407134), (63, 348972), (78, 281862), (84, 261729), (91, 241596), (108, 203567), (117, 187908), (126, 174486), (156, 140931), (182, 120798), (189, 116324), (234, 93954), (252, 87243), (273, 80532), (351, 62636), (364, 60399), (378, 58162), (468, 46977), (546, 40266), (702, 31318), (756, 29081), (819, 26844), (1092, 20133), (1404, 15659), (1638, 13422), (2237, 9828), (2457, 8948), (3276, 6711), (4474, 4914)]