21673600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:558

約数の個数: 96

約数和(自身を含む): 57769740

約数和(自身を除く): 36096140

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 521, 640, 650, 800, 832, 1040, 1042, 1300, 1600, 1664, 2080, 2084, 2600, 2605, 3200, 4160, 4168, 5200, 5210, 6773, 8320, 8336, 10400, 10420, 13025, 13546, 16672, 20800, 20840, 26050, 27092, 33344, 33865, 41600, 41680, 52100, 54184, 66688, 67730, 83360, 104200, 108368, 135460, 166720, 169325, 208400, 216736, 270920, 333440, 338650, 416800, 433472, 541840, 677300, 833600, 866944, 1083680, 1354600, 1667200, 2167360, 2709200, 4334720, 5418400, 10836800, 21673600]

約数ペア:

[(1, 21673600), (2, 10836800), (4, 5418400), (5, 4334720), (8, 2709200), (10, 2167360), (13, 1667200), (16, 1354600), (20, 1083680), (25, 866944), (26, 833600), (32, 677300), (40, 541840), (50, 433472), (52, 416800), (64, 338650), (65, 333440), (80, 270920), (100, 216736), (104, 208400), (128, 169325), (130, 166720), (160, 135460), (200, 108368), (208, 104200), (260, 83360), (320, 67730), (325, 66688), (400, 54184), (416, 52100), (520, 41680), (521, 41600), (640, 33865), (650, 33344), (800, 27092), (832, 26050), (1040, 20840), (1042, 20800), (1300, 16672), (1600, 13546), (1664, 13025), (2080, 10420), (2084, 10400), (2600, 8336), (2605, 8320), (3200, 6773), (4160, 5210), (4168, 5200)]