21860748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6673}}^1$

素因数の和:6703

約数の個数: 72

約数和(自身を含む): 68021408

約数和(自身を除く): 46160660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6673, 13346, 20019, 26692, 40038, 46711, 60057, 80076, 86749, 93422, 120114, 140133, 173498, 186844, 240228, 260247, 280266, 346996, 420399, 520494, 560532, 607243, 780741, 840798, 1040988, 1214486, 1561482, 1681596, 1821729, 2428972, 3122964, 3643458, 5465187, 7286916, 10930374, 21860748]

約数ペア:

[(1, 21860748), (2, 10930374), (3, 7286916), (4, 5465187), (6, 3643458), (7, 3122964), (9, 2428972), (12, 1821729), (13, 1681596), (14, 1561482), (18, 1214486), (21, 1040988), (26, 840798), (28, 780741), (36, 607243), (39, 560532), (42, 520494), (52, 420399), (63, 346996), (78, 280266), (84, 260247), (91, 240228), (117, 186844), (126, 173498), (156, 140133), (182, 120114), (234, 93422), (252, 86749), (273, 80076), (364, 60057), (468, 46711), (546, 40038), (819, 26692), (1092, 20019), (1638, 13346), (3276, 6673)]