21492130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3203}}^1$

素因数の和:3282

約数の個数: 32

約数和(自身を含む): 42907968

約数和(自身を除く): 21415838

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3203, 3355, 6406, 6710, 16015, 32030, 35233, 70466, 176165, 195383, 352330, 390766, 976915, 1953830, 2149213, 4298426, 10746065, 21492130]

約数ペア:

[(1, 21492130), (2, 10746065), (5, 4298426), (10, 2149213), (11, 1953830), (22, 976915), (55, 390766), (61, 352330), (110, 195383), (122, 176165), (305, 70466), (610, 35233), (671, 32030), (1342, 16015), (3203, 6710), (3355, 6406)]