21829470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 56899584

約数和(自身を除く): 35070114

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 223, 251, 390, 446, 502, 669, 753, 1115, 1255, 1338, 1506, 2230, 2510, 2899, 3263, 3345, 3765, 5798, 6526, 6690, 7530, 8697, 9789, 14495, 16315, 17394, 19578, 28990, 32630, 43485, 48945, 55973, 86970, 97890, 111946, 167919, 279865, 335838, 559730, 727649, 839595, 1455298, 1679190, 2182947, 3638245, 4365894, 7276490, 10914735, 21829470]

約数ペア:

[(1, 21829470), (2, 10914735), (3, 7276490), (5, 4365894), (6, 3638245), (10, 2182947), (13, 1679190), (15, 1455298), (26, 839595), (30, 727649), (39, 559730), (65, 335838), (78, 279865), (130, 167919), (195, 111946), (223, 97890), (251, 86970), (390, 55973), (446, 48945), (502, 43485), (669, 32630), (753, 28990), (1115, 19578), (1255, 17394), (1338, 16315), (1506, 14495), (2230, 9789), (2510, 8697), (2899, 7530), (3263, 6690), (3345, 6526), (3765, 5798)]