21005358612

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{1153}}^1\times {\mathrm{30983}}^1$

素因数の和:32157

約数の個数: 72

約数和(自身を含む): 57065835456

約数和(自身を除く): 36060476844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 1153, 2306, 3459, 4612, 6918, 8071, 13836, 16142, 24213, 30983, 32284, 48426, 56497, 61966, 92949, 96852, 112994, 123932, 169491, 185898, 216881, 225988, 338982, 371796, 433762, 650643, 677964, 867524, 1301286, 1518167, 2602572, 3036334, 4554501, 6072668, 9109002, 18218004, 35723399, 71446798, 107170197, 142893596, 214340394, 250063793, 428680788, 500127586, 750191379, 1000255172, 1500382758, 1750446551, 3000765516, 3500893102, 5251339653, 7001786204, 10502679306, 21005358612]

約数ペア:

[(1, 21005358612), (2, 10502679306), (3, 7001786204), (4, 5251339653), (6, 3500893102), (7, 3000765516), (12, 1750446551), (14, 1500382758), (21, 1000255172), (28, 750191379), (42, 500127586), (49, 428680788), (84, 250063793), (98, 214340394), (147, 142893596), (196, 107170197), (294, 71446798), (588, 35723399), (1153, 18218004), (2306, 9109002), (3459, 6072668), (4612, 4554501), (6918, 3036334), (8071, 2602572), (13836, 1518167), (16142, 1301286), (24213, 867524), (30983, 677964), (32284, 650643), (48426, 433762), (56497, 371796), (61966, 338982), (92949, 225988), (96852, 216881), (112994, 185898), (123932, 169491)]