21415536

素因数分解:

$2^4\times 3^3\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:663

約数の個数: 80

約数和(自身を含む): 62272800

約数和(自身を除く): 40857264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 89, 108, 144, 178, 216, 267, 356, 432, 534, 557, 712, 801, 1068, 1114, 1424, 1602, 1671, 2136, 2228, 2403, 3204, 3342, 4272, 4456, 4806, 5013, 6408, 6684, 8912, 9612, 10026, 12816, 13368, 15039, 19224, 20052, 26736, 30078, 38448, 40104, 49573, 60156, 80208, 99146, 120312, 148719, 198292, 240624, 297438, 396584, 446157, 594876, 793168, 892314, 1189752, 1338471, 1784628, 2379504, 2676942, 3569256, 5353884, 7138512, 10707768, 21415536]

約数ペア:

[(1, 21415536), (2, 10707768), (3, 7138512), (4, 5353884), (6, 3569256), (8, 2676942), (9, 2379504), (12, 1784628), (16, 1338471), (18, 1189752), (24, 892314), (27, 793168), (36, 594876), (48, 446157), (54, 396584), (72, 297438), (89, 240624), (108, 198292), (144, 148719), (178, 120312), (216, 99146), (267, 80208), (356, 60156), (432, 49573), (534, 40104), (557, 38448), (712, 30078), (801, 26736), (1068, 20052), (1114, 19224), (1424, 15039), (1602, 13368), (1671, 12816), (2136, 10026), (2228, 9612), (2403, 8912), (3204, 6684), (3342, 6408), (4272, 5013), (4456, 4806)]