21249800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:783

約数の個数: 96

約数和(自身を含む): 58121280

約数和(自身を除く): 36871480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 440, 520, 550, 572, 650, 715, 743, 1100, 1144, 1300, 1430, 1486, 2200, 2600, 2860, 2972, 3575, 3715, 5720, 5944, 7150, 7430, 8173, 9659, 14300, 14860, 16346, 18575, 19318, 28600, 29720, 32692, 37150, 38636, 40865, 48295, 65384, 74300, 77272, 81730, 96590, 106249, 148600, 163460, 193180, 204325, 212498, 241475, 326920, 386360, 408650, 424996, 482950, 531245, 817300, 849992, 965900, 1062490, 1634600, 1931800, 2124980, 2656225, 4249960, 5312450, 10624900, 21249800]

約数ペア:

[(1, 21249800), (2, 10624900), (4, 5312450), (5, 4249960), (8, 2656225), (10, 2124980), (11, 1931800), (13, 1634600), (20, 1062490), (22, 965900), (25, 849992), (26, 817300), (40, 531245), (44, 482950), (50, 424996), (52, 408650), (55, 386360), (65, 326920), (88, 241475), (100, 212498), (104, 204325), (110, 193180), (130, 163460), (143, 148600), (200, 106249), (220, 96590), (260, 81730), (275, 77272), (286, 74300), (325, 65384), (440, 48295), (520, 40865), (550, 38636), (572, 37150), (650, 32692), (715, 29720), (743, 28600), (1100, 19318), (1144, 18575), (1300, 16346), (1430, 14860), (1486, 14300), (2200, 9659), (2600, 8173), (2860, 7430), (2972, 7150), (3575, 5944), (3715, 5720)]