21188800

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 168

約数和(自身を含む): 59527440

約数和(自身を除く): 38338640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 32, 34, 38, 40, 41, 50, 64, 68, 76, 80, 82, 85, 95, 100, 136, 152, 160, 164, 170, 190, 200, 205, 272, 304, 320, 323, 328, 340, 380, 400, 410, 425, 475, 544, 608, 646, 656, 680, 697, 760, 779, 800, 820, 850, 950, 1025, 1088, 1216, 1292, 1312, 1360, 1394, 1520, 1558, 1600, 1615, 1640, 1700, 1900, 2050, 2584, 2624, 2720, 2788, 3040, 3116, 3230, 3280, 3400, 3485, 3800, 3895, 4100, 5168, 5440, 5576, 6080, 6232, 6460, 6560, 6800, 6970, 7600, 7790, 8075, 8200, 10336, 11152, 12464, 12920, 13120, 13243, 13600, 13940, 15200, 15580, 16150, 16400, 17425, 19475, 20672, 22304, 24928, 25840, 26486, 27200, 27880, 30400, 31160, 32300, 32800, 34850, 38950, 44608, 49856, 51680, 52972, 55760, 62320, 64600, 65600, 66215, 69700, 77900, 103360, 105944, 111520, 124640, 129200, 132430, 139400, 155800, 211888, 223040, 249280, 258400, 264860, 278800, 311600, 331075, 423776, 516800, 529720, 557600, 623200, 662150, 847552, 1059440, 1115200, 1246400, 1324300, 2118880, 2648600, 4237760, 5297200, 10594400, 21188800]

約数ペア:

[(1, 21188800), (2, 10594400), (4, 5297200), (5, 4237760), (8, 2648600), (10, 2118880), (16, 1324300), (17, 1246400), (19, 1115200), (20, 1059440), (25, 847552), (32, 662150), (34, 623200), (38, 557600), (40, 529720), (41, 516800), (50, 423776), (64, 331075), (68, 311600), (76, 278800), (80, 264860), (82, 258400), (85, 249280), (95, 223040), (100, 211888), (136, 155800), (152, 139400), (160, 132430), (164, 129200), (170, 124640), (190, 111520), (200, 105944), (205, 103360), (272, 77900), (304, 69700), (320, 66215), (323, 65600), (328, 64600), (340, 62320), (380, 55760), (400, 52972), (410, 51680), (425, 49856), (475, 44608), (544, 38950), (608, 34850), (646, 32800), (656, 32300), (680, 31160), (697, 30400), (760, 27880), (779, 27200), (800, 26486), (820, 25840), (850, 24928), (950, 22304), (1025, 20672), (1088, 19475), (1216, 17425), (1292, 16400), (1312, 16150), (1360, 15580), (1394, 15200), (1520, 13940), (1558, 13600), (1600, 13243), (1615, 13120), (1640, 12920), (1700, 12464), (1900, 11152), (2050, 10336), (2584, 8200), (2624, 8075), (2720, 7790), (2788, 7600), (3040, 6970), (3116, 6800), (3230, 6560), (3280, 6460), (3400, 6232), (3485, 6080), (3800, 5576), (3895, 5440), (4100, 5168)]