21064920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9239}}^1$

素因数の和:9272

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 45463080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9239, 18478, 27717, 36956, 46195, 55434, 73912, 92390, 110868, 138585, 175541, 184780, 221736, 277170, 351082, 369560, 526623, 554340, 702164, 877705, 1053246, 1108680, 1404328, 1755410, 2106492, 2633115, 3510820, 4212984, 5266230, 7021640, 10532460, 21064920]

約数ペア:

[(1, 21064920), (2, 10532460), (3, 7021640), (4, 5266230), (5, 4212984), (6, 3510820), (8, 2633115), (10, 2106492), (12, 1755410), (15, 1404328), (19, 1108680), (20, 1053246), (24, 877705), (30, 702164), (38, 554340), (40, 526623), (57, 369560), (60, 351082), (76, 277170), (95, 221736), (114, 184780), (120, 175541), (152, 138585), (190, 110868), (228, 92390), (285, 73912), (380, 55434), (456, 46195), (570, 36956), (760, 27717), (1140, 18478), (2280, 9239)]