21667380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2243}}^1$

素因数の和:2285

約数の個数: 96

約数和(自身を含む): 72382464

約数和(自身を除く): 50715084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2243, 2415, 3220, 4486, 4830, 6729, 8972, 9660, 11215, 13458, 15701, 22430, 26916, 31402, 33645, 44860, 47103, 51589, 62804, 67290, 78505, 94206, 103178, 134580, 154767, 157010, 188412, 206356, 235515, 257945, 309534, 314020, 361123, 471030, 515890, 619068, 722246, 773835, 942060, 1031780, 1083369, 1444492, 1547670, 1805615, 2166738, 3095340, 3611230, 4333476, 5416845, 7222460, 10833690, 21667380]

約数ペア:

[(1, 21667380), (2, 10833690), (3, 7222460), (4, 5416845), (5, 4333476), (6, 3611230), (7, 3095340), (10, 2166738), (12, 1805615), (14, 1547670), (15, 1444492), (20, 1083369), (21, 1031780), (23, 942060), (28, 773835), (30, 722246), (35, 619068), (42, 515890), (46, 471030), (60, 361123), (69, 314020), (70, 309534), (84, 257945), (92, 235515), (105, 206356), (115, 188412), (138, 157010), (140, 154767), (161, 134580), (210, 103178), (230, 94206), (276, 78505), (322, 67290), (345, 62804), (420, 51589), (460, 47103), (483, 44860), (644, 33645), (690, 31402), (805, 26916), (966, 22430), (1380, 15701), (1610, 13458), (1932, 11215), (2243, 9660), (2415, 8972), (3220, 6729), (4486, 4830)]