21974760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20347}}^1$

素因数の和:20367

約数の個数: 64

約数和(自身を含む): 73252800

約数和(自身を除く): 51278040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20347, 40694, 61041, 81388, 101735, 122082, 162776, 183123, 203470, 244164, 305205, 366246, 406940, 488328, 549369, 610410, 732492, 813880, 915615, 1098738, 1220820, 1464984, 1831230, 2197476, 2441640, 2746845, 3662460, 4394952, 5493690, 7324920, 10987380, 21974760]

約数ペア:

[(1, 21974760), (2, 10987380), (3, 7324920), (4, 5493690), (5, 4394952), (6, 3662460), (8, 2746845), (9, 2441640), (10, 2197476), (12, 1831230), (15, 1464984), (18, 1220820), (20, 1098738), (24, 915615), (27, 813880), (30, 732492), (36, 610410), (40, 549369), (45, 488328), (54, 406940), (60, 366246), (72, 305205), (90, 244164), (108, 203470), (120, 183123), (135, 162776), (180, 122082), (216, 101735), (270, 81388), (360, 61041), (540, 40694), (1080, 20347)]