21553440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:642

約数の個数: 96

約数和(自身を含む): 68838336

約数和(自身を除く): 47284896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 83, 96, 120, 160, 166, 240, 249, 332, 415, 480, 498, 541, 664, 830, 996, 1082, 1245, 1328, 1623, 1660, 1992, 2164, 2490, 2656, 2705, 3246, 3320, 3984, 4328, 4980, 5410, 6492, 6640, 7968, 8115, 8656, 9960, 10820, 12984, 13280, 16230, 17312, 19920, 21640, 25968, 32460, 39840, 43280, 44903, 51936, 64920, 86560, 89806, 129840, 134709, 179612, 224515, 259680, 269418, 359224, 449030, 538836, 673545, 718448, 898060, 1077672, 1347090, 1436896, 1796120, 2155344, 2694180, 3592240, 4310688, 5388360, 7184480, 10776720, 21553440]

約数ペア:

[(1, 21553440), (2, 10776720), (3, 7184480), (4, 5388360), (5, 4310688), (6, 3592240), (8, 2694180), (10, 2155344), (12, 1796120), (15, 1436896), (16, 1347090), (20, 1077672), (24, 898060), (30, 718448), (32, 673545), (40, 538836), (48, 449030), (60, 359224), (80, 269418), (83, 259680), (96, 224515), (120, 179612), (160, 134709), (166, 129840), (240, 89806), (249, 86560), (332, 64920), (415, 51936), (480, 44903), (498, 43280), (541, 39840), (664, 32460), (830, 25968), (996, 21640), (1082, 19920), (1245, 17312), (1328, 16230), (1623, 13280), (1660, 12984), (1992, 10820), (2164, 9960), (2490, 8656), (2656, 8115), (2705, 7968), (3246, 6640), (3320, 6492), (3984, 5410), (4328, 4980)]