21937200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 71360016

約数和(自身を除く): 49422816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 101, 120, 150, 181, 200, 202, 240, 300, 303, 362, 400, 404, 505, 543, 600, 606, 724, 808, 905, 1010, 1086, 1200, 1212, 1448, 1515, 1616, 1810, 2020, 2172, 2424, 2525, 2715, 2896, 3030, 3620, 4040, 4344, 4525, 4848, 5050, 5430, 6060, 7240, 7575, 8080, 8688, 9050, 10100, 10860, 12120, 13575, 14480, 15150, 18100, 18281, 20200, 21720, 24240, 27150, 30300, 36200, 36562, 40400, 43440, 54300, 54843, 60600, 72400, 73124, 91405, 108600, 109686, 121200, 146248, 182810, 217200, 219372, 274215, 292496, 365620, 438744, 457025, 548430, 731240, 877488, 914050, 1096860, 1371075, 1462480, 1828100, 2193720, 2742150, 3656200, 4387440, 5484300, 7312400, 10968600, 21937200]

約数ペア:

[(1, 21937200), (2, 10968600), (3, 7312400), (4, 5484300), (5, 4387440), (6, 3656200), (8, 2742150), (10, 2193720), (12, 1828100), (15, 1462480), (16, 1371075), (20, 1096860), (24, 914050), (25, 877488), (30, 731240), (40, 548430), (48, 457025), (50, 438744), (60, 365620), (75, 292496), (80, 274215), (100, 219372), (101, 217200), (120, 182810), (150, 146248), (181, 121200), (200, 109686), (202, 108600), (240, 91405), (300, 73124), (303, 72400), (362, 60600), (400, 54843), (404, 54300), (505, 43440), (543, 40400), (600, 36562), (606, 36200), (724, 30300), (808, 27150), (905, 24240), (1010, 21720), (1086, 20200), (1200, 18281), (1212, 18100), (1448, 15150), (1515, 14480), (1616, 13575), (1810, 12120), (2020, 10860), (2172, 10100), (2424, 9050), (2525, 8688), (2715, 8080), (2896, 7575), (3030, 7240), (3620, 6060), (4040, 5430), (4344, 5050), (4525, 4848)]