21364272

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1667}}^1$

素因数の和:1770

約数の個数: 60

約数和(自身を含む): 60498360

約数和(自身を除く): 39134088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 1667, 2136, 3204, 3334, 4272, 5001, 6408, 6668, 10002, 12816, 13336, 15003, 20004, 26672, 30006, 40008, 60012, 80016, 120024, 148363, 240048, 296726, 445089, 593452, 890178, 1186904, 1335267, 1780356, 2373808, 2670534, 3560712, 5341068, 7121424, 10682136, 21364272]

約数ペア:

[(1, 21364272), (2, 10682136), (3, 7121424), (4, 5341068), (6, 3560712), (8, 2670534), (9, 2373808), (12, 1780356), (16, 1335267), (18, 1186904), (24, 890178), (36, 593452), (48, 445089), (72, 296726), (89, 240048), (144, 148363), (178, 120024), (267, 80016), (356, 60012), (534, 40008), (712, 30006), (801, 26672), (1068, 20004), (1424, 15003), (1602, 13336), (1667, 12816), (2136, 10002), (3204, 6668), (3334, 6408), (4272, 5001)]