21991914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10267}}^1$

素因数の和:10299

約数の個数: 48

約数和(自身を含む): 57665088

約数和(自身を除く): 35673174

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 10267, 20534, 30801, 61602, 71869, 92403, 143738, 174539, 184806, 215607, 349078, 431214, 523617, 646821, 1047234, 1221773, 1293642, 1570851, 2443546, 3141702, 3665319, 7330638, 10995957, 21991914]

約数ペア:

[(1, 21991914), (2, 10995957), (3, 7330638), (6, 3665319), (7, 3141702), (9, 2443546), (14, 1570851), (17, 1293642), (18, 1221773), (21, 1047234), (34, 646821), (42, 523617), (51, 431214), (63, 349078), (102, 215607), (119, 184806), (126, 174539), (153, 143738), (238, 92403), (306, 71869), (357, 61602), (714, 30801), (1071, 20534), (2142, 10267)]