21338400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1$

素因数の和:563

約数の個数: 144

約数和(自身を含む): 73682784

約数和(自身を除く): 52344384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 32, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 96, 100, 102, 120, 136, 150, 160, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 480, 510, 523, 544, 600, 680, 800, 816, 850, 1020, 1046, 1200, 1275, 1360, 1569, 1632, 1700, 2040, 2092, 2400, 2550, 2615, 2720, 3138, 3400, 4080, 4184, 5100, 5230, 6276, 6800, 7845, 8160, 8368, 8891, 10200, 10460, 12552, 13075, 13600, 15690, 16736, 17782, 20400, 20920, 25104, 26150, 26673, 31380, 35564, 39225, 40800, 41840, 44455, 50208, 52300, 53346, 62760, 71128, 78450, 83680, 88910, 104600, 106692, 125520, 133365, 142256, 156900, 177820, 209200, 213384, 222275, 251040, 266730, 284512, 313800, 355640, 418400, 426768, 444550, 533460, 627600, 666825, 711280, 853536, 889100, 1066920, 1255200, 1333650, 1422560, 1778200, 2133840, 2667300, 3556400, 4267680, 5334600, 7112800, 10669200, 21338400]

約数ペア:

[(1, 21338400), (2, 10669200), (3, 7112800), (4, 5334600), (5, 4267680), (6, 3556400), (8, 2667300), (10, 2133840), (12, 1778200), (15, 1422560), (16, 1333650), (17, 1255200), (20, 1066920), (24, 889100), (25, 853536), (30, 711280), (32, 666825), (34, 627600), (40, 533460), (48, 444550), (50, 426768), (51, 418400), (60, 355640), (68, 313800), (75, 284512), (80, 266730), (85, 251040), (96, 222275), (100, 213384), (102, 209200), (120, 177820), (136, 156900), (150, 142256), (160, 133365), (170, 125520), (200, 106692), (204, 104600), (240, 88910), (255, 83680), (272, 78450), (300, 71128), (340, 62760), (400, 53346), (408, 52300), (425, 50208), (480, 44455), (510, 41840), (523, 40800), (544, 39225), (600, 35564), (680, 31380), (800, 26673), (816, 26150), (850, 25104), (1020, 20920), (1046, 20400), (1200, 17782), (1275, 16736), (1360, 15690), (1569, 13600), (1632, 13075), (1700, 12552), (2040, 10460), (2092, 10200), (2400, 8891), (2550, 8368), (2615, 8160), (2720, 7845), (3138, 6800), (3400, 6276), (4080, 5230), (4184, 5100)]