21323250

素因数分解:

$2^1\times 3^8\times 5^3\times {\mathrm{13}}^1$

素因数の和:54

約数の個数: 144

約数和(自身を含む): 64478232

約数和(自身を除く): 43154982

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 125, 130, 135, 150, 162, 195, 225, 234, 243, 250, 270, 325, 351, 375, 390, 405, 450, 486, 585, 650, 675, 702, 729, 750, 810, 975, 1053, 1125, 1170, 1215, 1350, 1458, 1625, 1755, 1950, 2025, 2106, 2187, 2250, 2430, 2925, 3159, 3250, 3375, 3510, 3645, 4050, 4374, 4875, 5265, 5850, 6075, 6318, 6561, 6750, 7290, 8775, 9477, 9750, 10125, 10530, 10935, 12150, 13122, 14625, 15795, 17550, 18225, 18954, 20250, 21870, 26325, 28431, 29250, 30375, 31590, 32805, 36450, 43875, 47385, 52650, 54675, 56862, 60750, 65610, 78975, 85293, 87750, 91125, 94770, 109350, 131625, 142155, 157950, 164025, 170586, 182250, 236925, 263250, 273375, 284310, 328050, 394875, 426465, 473850, 546750, 710775, 789750, 820125, 852930, 1184625, 1421550, 1640250, 2132325, 2369250, 3553875, 4264650, 7107750, 10661625, 21323250]

約数ペア:

[(1, 21323250), (2, 10661625), (3, 7107750), (5, 4264650), (6, 3553875), (9, 2369250), (10, 2132325), (13, 1640250), (15, 1421550), (18, 1184625), (25, 852930), (26, 820125), (27, 789750), (30, 710775), (39, 546750), (45, 473850), (50, 426465), (54, 394875), (65, 328050), (75, 284310), (78, 273375), (81, 263250), (90, 236925), (117, 182250), (125, 170586), (130, 164025), (135, 157950), (150, 142155), (162, 131625), (195, 109350), (225, 94770), (234, 91125), (243, 87750), (250, 85293), (270, 78975), (325, 65610), (351, 60750), (375, 56862), (390, 54675), (405, 52650), (450, 47385), (486, 43875), (585, 36450), (650, 32805), (675, 31590), (702, 30375), (729, 29250), (750, 28431), (810, 26325), (975, 21870), (1053, 20250), (1125, 18954), (1170, 18225), (1215, 17550), (1350, 15795), (1458, 14625), (1625, 13122), (1755, 12150), (1950, 10935), (2025, 10530), (2106, 10125), (2187, 9750), (2250, 9477), (2430, 8775), (2925, 7290), (3159, 6750), (3250, 6561), (3375, 6318), (3510, 6075), (3645, 5850), (4050, 5265), (4374, 4875)]