21327200

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:576

約数の個数: 72

約数和(自身を含む): 53152848

約数和(自身を除く): 31825648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 503, 530, 800, 848, 1006, 1060, 1325, 1696, 2012, 2120, 2515, 2650, 4024, 4240, 5030, 5300, 8048, 8480, 10060, 10600, 12575, 16096, 20120, 21200, 25150, 26659, 40240, 42400, 50300, 53318, 80480, 100600, 106636, 133295, 201200, 213272, 266590, 402400, 426544, 533180, 666475, 853088, 1066360, 1332950, 2132720, 2665900, 4265440, 5331800, 10663600, 21327200]

約数ペア:

[(1, 21327200), (2, 10663600), (4, 5331800), (5, 4265440), (8, 2665900), (10, 2132720), (16, 1332950), (20, 1066360), (25, 853088), (32, 666475), (40, 533180), (50, 426544), (53, 402400), (80, 266590), (100, 213272), (106, 201200), (160, 133295), (200, 106636), (212, 100600), (265, 80480), (400, 53318), (424, 50300), (503, 42400), (530, 40240), (800, 26659), (848, 25150), (1006, 21200), (1060, 20120), (1325, 16096), (1696, 12575), (2012, 10600), (2120, 10060), (2515, 8480), (2650, 8048), (4024, 5300), (4240, 5030)]