21417672

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 34396728

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 89, 111, 148, 178, 222, 267, 271, 296, 356, 444, 534, 542, 712, 813, 888, 1068, 1084, 1626, 2136, 2168, 3252, 3293, 6504, 6586, 9879, 10027, 13172, 19758, 20054, 24119, 26344, 30081, 39516, 40108, 48238, 60162, 72357, 79032, 80216, 96476, 120324, 144714, 192952, 240648, 289428, 578856, 892403, 1784806, 2677209, 3569612, 5354418, 7139224, 10708836, 21417672]

約数ペア:

[(1, 21417672), (2, 10708836), (3, 7139224), (4, 5354418), (6, 3569612), (8, 2677209), (12, 1784806), (24, 892403), (37, 578856), (74, 289428), (89, 240648), (111, 192952), (148, 144714), (178, 120324), (222, 96476), (267, 80216), (271, 79032), (296, 72357), (356, 60162), (444, 48238), (534, 40108), (542, 39516), (712, 30081), (813, 26344), (888, 24119), (1068, 20054), (1084, 19758), (1626, 13172), (2136, 10027), (2168, 9879), (3252, 6586), (3293, 6504)]