21976960

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1535

約数の個数: 64

約数和(自身を含む): 54859680

約数和(自身を除く): 32882720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1493, 1840, 2944, 2986, 3680, 5972, 7360, 7465, 11944, 14720, 14930, 23888, 29860, 34339, 47776, 59720, 68678, 95552, 119440, 137356, 171695, 191104, 238880, 274712, 343390, 477760, 549424, 686780, 955520, 1098848, 1373560, 2197696, 2747120, 4395392, 5494240, 10988480, 21976960]

約数ペア:

[(1, 21976960), (2, 10988480), (4, 5494240), (5, 4395392), (8, 2747120), (10, 2197696), (16, 1373560), (20, 1098848), (23, 955520), (32, 686780), (40, 549424), (46, 477760), (64, 343390), (80, 274712), (92, 238880), (115, 191104), (128, 171695), (160, 137356), (184, 119440), (230, 95552), (320, 68678), (368, 59720), (460, 47776), (640, 34339), (736, 29860), (920, 23888), (1472, 14930), (1493, 14720), (1840, 11944), (2944, 7465), (2986, 7360), (3680, 5972)]