21483900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 70655200

約数和(自身を除く): 49171300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 73, 75, 90, 100, 108, 109, 135, 146, 150, 180, 218, 219, 225, 270, 292, 300, 327, 365, 436, 438, 450, 540, 545, 654, 657, 675, 730, 876, 900, 981, 1090, 1095, 1308, 1314, 1350, 1460, 1635, 1825, 1962, 1971, 2180, 2190, 2628, 2700, 2725, 2943, 3270, 3285, 3650, 3924, 3942, 4380, 4905, 5450, 5475, 5886, 6540, 6570, 7300, 7884, 7957, 8175, 9810, 9855, 10900, 10950, 11772, 13140, 14715, 15914, 16350, 16425, 19620, 19710, 21900, 23871, 24525, 29430, 31828, 32700, 32850, 39420, 39785, 47742, 49050, 49275, 58860, 65700, 71613, 73575, 79570, 95484, 98100, 98550, 119355, 143226, 147150, 159140, 197100, 198925, 214839, 238710, 286452, 294300, 358065, 397850, 429678, 477420, 596775, 716130, 795700, 859356, 1074195, 1193550, 1432260, 1790325, 2148390, 2387100, 3580650, 4296780, 5370975, 7161300, 10741950, 21483900]

約数ペア:

[(1, 21483900), (2, 10741950), (3, 7161300), (4, 5370975), (5, 4296780), (6, 3580650), (9, 2387100), (10, 2148390), (12, 1790325), (15, 1432260), (18, 1193550), (20, 1074195), (25, 859356), (27, 795700), (30, 716130), (36, 596775), (45, 477420), (50, 429678), (54, 397850), (60, 358065), (73, 294300), (75, 286452), (90, 238710), (100, 214839), (108, 198925), (109, 197100), (135, 159140), (146, 147150), (150, 143226), (180, 119355), (218, 98550), (219, 98100), (225, 95484), (270, 79570), (292, 73575), (300, 71613), (327, 65700), (365, 58860), (436, 49275), (438, 49050), (450, 47742), (540, 39785), (545, 39420), (654, 32850), (657, 32700), (675, 31828), (730, 29430), (876, 24525), (900, 23871), (981, 21900), (1090, 19710), (1095, 19620), (1308, 16425), (1314, 16350), (1350, 15914), (1460, 14715), (1635, 13140), (1825, 11772), (1962, 10950), (1971, 10900), (2180, 9855), (2190, 9810), (2628, 8175), (2700, 7957), (2725, 7884), (2943, 7300), (3270, 6570), (3285, 6540), (3650, 5886), (3924, 5475), (3942, 5450), (4380, 4905)]