21862920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 70963200

約数和(自身を除く): 49100280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 223, 228, 258, 285, 344, 380, 430, 446, 456, 516, 570, 645, 669, 760, 817, 860, 892, 1032, 1115, 1140, 1290, 1338, 1634, 1720, 1784, 2230, 2280, 2451, 2580, 2676, 3268, 3345, 4085, 4237, 4460, 4902, 5160, 5352, 6536, 6690, 8170, 8474, 8920, 9589, 9804, 12255, 12711, 13380, 16340, 16948, 19178, 19608, 21185, 24510, 25422, 26760, 28767, 32680, 33896, 38356, 42370, 47945, 49020, 50844, 57534, 63555, 76712, 84740, 95890, 98040, 101688, 115068, 127110, 143835, 169480, 182191, 191780, 230136, 254220, 287670, 364382, 383560, 508440, 546573, 575340, 728764, 910955, 1093146, 1150680, 1457528, 1821910, 2186292, 2732865, 3643820, 4372584, 5465730, 7287640, 10931460, 21862920]

約数ペア:

[(1, 21862920), (2, 10931460), (3, 7287640), (4, 5465730), (5, 4372584), (6, 3643820), (8, 2732865), (10, 2186292), (12, 1821910), (15, 1457528), (19, 1150680), (20, 1093146), (24, 910955), (30, 728764), (38, 575340), (40, 546573), (43, 508440), (57, 383560), (60, 364382), (76, 287670), (86, 254220), (95, 230136), (114, 191780), (120, 182191), (129, 169480), (152, 143835), (172, 127110), (190, 115068), (215, 101688), (223, 98040), (228, 95890), (258, 84740), (285, 76712), (344, 63555), (380, 57534), (430, 50844), (446, 49020), (456, 47945), (516, 42370), (570, 38356), (645, 33896), (669, 32680), (760, 28767), (817, 26760), (860, 25422), (892, 24510), (1032, 21185), (1115, 19608), (1140, 19178), (1290, 16948), (1338, 16340), (1634, 13380), (1720, 12711), (1784, 12255), (2230, 9804), (2280, 9589), (2451, 8920), (2580, 8474), (2676, 8170), (3268, 6690), (3345, 6536), (4085, 5352), (4237, 5160), (4460, 4902)]