21942240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2689}}^1$

素因数の和:2724

約数の個数: 96

約数和(自身を含む): 73211040

約数和(自身を除く): 51268800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2689, 2720, 4080, 5378, 8067, 8160, 10756, 13445, 16134, 21512, 26890, 32268, 40335, 43024, 45713, 53780, 64536, 80670, 86048, 91426, 107560, 129072, 137139, 161340, 182852, 215120, 228565, 258144, 274278, 322680, 365704, 430240, 457130, 548556, 645360, 685695, 731408, 914260, 1097112, 1290720, 1371390, 1462816, 1828520, 2194224, 2742780, 3657040, 4388448, 5485560, 7314080, 10971120, 21942240]

約数ペア:

[(1, 21942240), (2, 10971120), (3, 7314080), (4, 5485560), (5, 4388448), (6, 3657040), (8, 2742780), (10, 2194224), (12, 1828520), (15, 1462816), (16, 1371390), (17, 1290720), (20, 1097112), (24, 914260), (30, 731408), (32, 685695), (34, 645360), (40, 548556), (48, 457130), (51, 430240), (60, 365704), (68, 322680), (80, 274278), (85, 258144), (96, 228565), (102, 215120), (120, 182852), (136, 161340), (160, 137139), (170, 129072), (204, 107560), (240, 91426), (255, 86048), (272, 80670), (340, 64536), (408, 53780), (480, 45713), (510, 43024), (544, 40335), (680, 32268), (816, 26890), (1020, 21512), (1360, 16134), (1632, 13445), (2040, 10756), (2689, 8160), (2720, 8067), (4080, 5378)]