21479760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29833}}^1$

素因数の和:29852

約数の個数: 60

約数和(自身を含む): 72138612

約数和(自身を除く): 50658852

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29833, 59666, 89499, 119332, 149165, 178998, 238664, 268497, 298330, 357996, 447495, 477328, 536994, 596660, 715992, 894990, 1073988, 1193320, 1342485, 1431984, 1789980, 2147976, 2386640, 2684970, 3579960, 4295952, 5369940, 7159920, 10739880, 21479760]

約数ペア:

[(1, 21479760), (2, 10739880), (3, 7159920), (4, 5369940), (5, 4295952), (6, 3579960), (8, 2684970), (9, 2386640), (10, 2147976), (12, 1789980), (15, 1431984), (16, 1342485), (18, 1193320), (20, 1073988), (24, 894990), (30, 715992), (36, 596660), (40, 536994), (45, 477328), (48, 447495), (60, 357996), (72, 298330), (80, 268497), (90, 238664), (120, 178998), (144, 149165), (180, 119332), (240, 89499), (360, 59666), (720, 29833)]