21179652

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 53663232

約数和(自身を除く): 32483580

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 991, 1644, 1781, 1982, 2973, 3562, 3964, 5343, 5946, 7124, 10686, 11892, 12883, 21372, 25766, 38649, 51532, 77298, 135767, 154596, 271534, 407301, 543068, 814602, 1629204, 1764971, 3529942, 5294913, 7059884, 10589826, 21179652]

約数ペア:

[(1, 21179652), (2, 10589826), (3, 7059884), (4, 5294913), (6, 3529942), (12, 1764971), (13, 1629204), (26, 814602), (39, 543068), (52, 407301), (78, 271534), (137, 154596), (156, 135767), (274, 77298), (411, 51532), (548, 38649), (822, 25766), (991, 21372), (1644, 12883), (1781, 11892), (1982, 10686), (2973, 7124), (3562, 5946), (3964, 5343)]